package com.zhou.gulimall.product.config;


import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
@EnableCaching
public class MyCacheConfig {
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
//        RedisCacheConfiguration redisCacheConfiguration = config.entryTtl();
        //自定义配置覆盖原来的配置
         config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
         config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

         //将配置文件中的所有配置都生效
        CacheProperties.Redis redis = cacheProperties.getRedis();
        if (redis.getTimeToLive() != null){
            config = config.entryTtl(redis.getTimeToLive());
        }
        if (redis.getKeyPrefix() != null){
            config = config.prefixKeysWith(redis.getKeyPrefix());
        }
        if (!redis.isCacheNullValues()){
            config = config.disableCachingNullValues();
        }
        if (!redis.isUseKeyPrefix()){
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
